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Product description

Siemens 6ES7 322-1BL00-0AA0 is an SM 322 digital output module for SIMATIC-S7-300 systems that require a compact module with many 24-V-DC outputs. Siemens describes this isolated version with 32 digital outputs, one 40-pin front connector, a 24 V DC load supply and rated current of 0.5 A per output. The exact MLFB matters for maintenance and retrofit because similar-looking S7-300 output modules can have different channel counts, terminal assignments or current limits. The permissible load-voltage range is 20.4 to 28.8 V DC. Outputs are electronically protected against short circuits, with a typical response threshold of 1 A. Channels are electrically isolated in groups of 8 and optically isolated from the backplane bus. With horizontal mounting, permissible total current per group is 4 A up to 40 °C and 3 A up to 60 °C, with 16 A specified for the complete module. Maximum output delay is 100 µs when switching on and 500 µs when switching off. Maximum switching frequency is 100 Hz for resistive loads, 0.5 Hz for inductive DC13 loads and 10 Hz for lamp loads up to 5 W. The module measures 40 mm in width, 125 mm in height and 120 mm in depth and weighs approximately 260 g. Especially in older S7-300 stations, the complete order number reduces the risk of selecting a module with an incorrect group arrangement, different protection or incompatible front connector. It is suitable for spare-parts requirements, control-cabinet service and planned S7-300 retrofit work where channel count, current limits, connector type and installed wiring must match exactly.

Siemens 6ES7 322-1BL00-0AA0

Specifications

Manufacturer Siemens
Product series SIMATIC S7-300
Manufacturer/Order/Identification number 6ES7322-1BL00-0AA0
Equipment type SM 322 digital output module
Output channels 32 digital outputs
Load voltage L+ 24 V DC
Permissible voltage range 20.4 to 28.8 V DC
Output current 0.5 A per output, signal 1
Current range for signal 1 5 mA to 0.6 A at 0 to 60 °C
Total current 4 A per group up to 40 °C, 3 A per group up to 60 °C; 16 A per module
Short-circuit protection electronic; typical response threshold: 1 A
Electrical isolation channels in groups of 8, optical isolation from the backplane bus
Switching frequency max. 100 Hz resistive, 0.5 Hz inductive/DC13, 10 Hz lamp load
Output delay max. 100 µs 0->1, 500 µs 1->0
Backplane bus current max. 110 mA at 5 V DC
Power dissipation typically 6.6 W
Dimensions 40 x 125 x 120 mm
Cooling method passive module heat dissipation in the S7-300 rack
Weight approx. 260 g
Control cabinet with PLC modules and automation components
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FAQ

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Is there a warranty?

Yes. We provide a 14-day functional warranty for used items. The component must be functional on arrival, and the warranty applies only while the warranty seal remains undamaged. If a fault occurs within 14 calendar days, please contact us in writing. Depending on availability, we will either provide a replacement or refund the full purchase price after the item has been returned. Further details are set out in the terms and conditions supplied with our quotation.

How quickly do you ship, and which shipping options are available?

We normally dispatch available items immediately and, in many cases, on the same working day. For urgent requirements or machine downtime, we will identify the fastest suitable option and can confirm a specific delivery window on request. Express shipping and collection from our premises are also possible by arrangement. We ship worldwide using reliable parcel and freight carriers; freight shipments may require additional preparation to ensure safe delivery.

Is there a guarantee?

Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.

Please note that the guarantee only applies when the warranty seal is undamaged.

If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.

Further details are provided in the terms and conditions supplied with your quotation.

How quickly do you dispatch and which shipping options are available?

We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.

Express shipping or collection from our premises is also possible, depending on the situation. State your requirements during the ordering process or contact us directly.

We ship worldwide and work with reliable shipping partners, from parcel services to freight forwarding. Freight shipments normally require some preparation so the goods arrive safely and undamaged.

Which payment methods are available?

Payment is normally made by bank transfer against invoice. Payment is due within 10 calendar days of receiving the goods.

As a rule, we offer purchase on account for all customers. In individual cases, such as new customers or particularly high-value components, we may agree advance payment. This decision is made individually and communicated transparently.

Can we return items if they were ordered incorrectly?

Because we sell exclusively to business customers (B2B), there is no general right of return and no consumer right of withdrawal.

Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.

Is there a discount when ordering several items?

For larger order quantities or several items of one type, we can offer individual discounts.

Simply send us a quick enquiry - we check availability and will gladly prepare a tailored quotation with quantity pricing.

Do you also purchase industrial spare parts?

Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.

The process is straightforward: email us an inventory list or overview photos at info@reha-industriekomponenten.de. We calculate a market-based purchase price and send you an offer.

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